Home / 5,270,714.40-7,890,325.20-3,139,701.60

Finding the Fourth Proportional to 5,270,714.40, 7,890,325.20 and 3,139,701.60

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Solution

The fourth proportional to 5,270,714.40, 7,890,325.20 and 3,139,701.60 is: 4,700,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,714.40 : 7,890,325.20 = 3,139,701.60 : x
  2. Step 2: Convert to fraction form
    5,270,714.40/7,890,325.20 = 3,139,701.60/x
  3. Step 3: Cross multiply
    5,270,714.40x = 7,890,325.20 × 3,139,701.60
  4. Step 4: Simplify right side
    5,270,714.40x = 24,773,266,654,960.32
  5. Step 5: Solve for x
    x = 24,773,266,654,960.32/5,270,714.40
  6. Step 6: Final answer
    x = 4,700,172.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.